diff --git a/src/sentry/integrations/github_enterprise/integration.py b/src/sentry/integrations/github_enterprise/integration.py
index bbbe76bd08b427..42426a3257585d 100644
--- a/src/sentry/integrations/github_enterprise/integration.py
+++ b/src/sentry/integrations/github_enterprise/integration.py
@@ -311,8 +311,10 @@ def get_installation_info(self, installation_data, access_token, installation_id
 
         resp = session.get(
             "https://{}/api/v3/user/installations".format(installation_data["url"]),
-            params={"access_token": access_token},
-            headers={"Accept": "application/vnd.github.machine-man-preview+json"},
+            headers={
+                "Accept": "application/vnd.github.machine-man-preview+json",
+                "Authorization": f"token {access_token}",
+            },
             verify=installation_data["verify_ssl"],
         )
         resp.raise_for_status()
diff --git a/tests/sentry/integrations/github_enterprise/test_integration.py b/tests/sentry/integrations/github_enterprise/test_integration.py
index e186788f43456c..c5191b3fe076c5 100644
--- a/tests/sentry/integrations/github_enterprise/test_integration.py
+++ b/tests/sentry/integrations/github_enterprise/test_integration.py
@@ -98,6 +98,7 @@ def assert_setup_flow(
             responses.GET,
             self.base_url + "/user/installations",
             json={"installations": [{"id": installation_id}]},
+            match_querystring=True,
         )
 
         resp = self.client.get(